CN106938284B - Helical rib manufacture of steel pipe and device - Google Patents
Helical rib manufacture of steel pipe and device Download PDFInfo
- Publication number
- CN106938284B CN106938284B CN201611014824.XA CN201611014824A CN106938284B CN 106938284 B CN106938284 B CN 106938284B CN 201611014824 A CN201611014824 A CN 201611014824A CN 106938284 B CN106938284 B CN 106938284B
- Authority
- CN
- China
- Prior art keywords
- rib
- steel pipe
- roll
- forming section
- forming
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/065—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes starting from a specific blank, e.g. tailored blank
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/20—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls
- B21C37/207—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls with helical guides
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The present invention relates to a kind of helical rib manufacture of steel pipe and devices.Thus, for the helical rib manufacture of steel pipe formed with regard to being truncated after being wound for spiral, it is a feature of the present invention that the helical rib manufacture of steel pipe includes: coated steel sheet setting steps, so that having cated coated steel sheet is set to uncoiler；Rib initial stage forming step, the coated steel sheet unclamped from the uncoiler is the rib initial stage forming section of forming section come so that preliminary forming rib is formed in the form of deepening；Rib mid-term forming step, the coating type curved plates between the preliminary forming rib are by rib mid-term forming section come so that edge becomes smaller；Rib later period forming step, the edge are pressurizeed by rib later period forming section, and are formed with the coating type rib plain plate with complete rib in coating type plain plate；Lock seam forming step, in the two sides of the coating type rib plain plate along lock seam forming section is pressurized to, to form lock seam；Tubulation step, the coating type rib plain plate for being formed with the lock seam are formed as helical rib steel pipe by tubulation portion；And step is truncated in steel pipe, so that the helical rib steel pipe for being made into pipe is truncated by cut through.The invention enables the rotation speeds for the roll for being provided with forming section or rotation amount to be consistent as a result, to prevent from generating inverse friction on the surface of coated steel sheet, this prevents coatings to be damaged due to inverse friction.
Description
Technical field
The present invention relates to a kind of helical rib manufacture of steel pipe and devices, in particular, being wound in uncoiler
(uncoiler) during the cated coated steel sheet of tool is by forming portion (Forming), by having idle running
(idle) the rib initial stage forming section of bearing and rib mid-term forming section and rib later period forming section come successively to be located at preliminary forming rib,
After the coating type bending edges of plate (bending) curvature between preliminary forming rib becomes smaller, edge is pressed into right angle, together
When rib initial stage forming section can be separated with the left and right sides of rib mid-term forming section and the roll (roll) of rib later period forming section.
Background technique
In general, concrete Hume (Hume) pipe to be mainly used as to the shifting of guidance fluid in road, bay, sewage treatment plant etc.
Dynamic pipe, has a problem in that, concrete Hume pipe is being carried and handled due to the increase of itself weight and volume
Shi Keneng may require that investment heavy equipment, and due in construction because of the setting and disassembly of mold caused by workability reduce
With the increase of interconnecting piece, therefore the duration is elongated, and by the initial stage cement (cement) due to being attached to interconnecting piece
Seasonal restriction caused by freezing.
Recently, lock seam (lockseam) is being set to the both sides rectangular with the length direction of galvanized steel plain sheet
Point, and be rolled into it is hollow it is spiral helicine during, use so that lock seam obtains galvanized steel plain sheet interconnected.
The galvanized steel plain sheet is that the rest part other than the lock seam connecting portion of tube body is entirely smooth shape
State, or the pleat of the form formation fold using the rest part other than the lock seam connecting portion of tube body spirally
Wrinkle shape galvanized steel plain sheet.
But have a problem in that, remaining body portion other than lock seam connecting portion is entirely smooth
Form galvanized steel plain sheet due to surface strength it is weaker, the large-scale steel pipe being relatively large in diameter, after forming, morphotropism is got over
Seriously, and in galvanized steel plain sheet it buries in operation, lock seam connecting portion is caused to be detached from due to distortion.
In addition, have again another problem is that, in the embedded operation of galvanized steel plain sheet, applied due to not paying attention to from outside
In the case where adding impact, tube surfaces are easy to be crushed, or in the case where the impact is more serious, are torn.
Registration patent gazette the 10-0780862nd is proposed as the scheme for solving described problem
The manufacturing method of the plane fold shape steel pipe of (2007.11.23), and the manufacturing method of the plane fold shape steel pipe proposed exists
It is arranged after the plate shaped galvanized steel plain sheet for being rolled into roll form, is installed on uncoiler (uncoiler), if operation is opened
Volume machine, then while galvanized steel plain sheet is released from uncoiler, the roll by being located at side shapes the portion (forming), while root
Plane fold is formed to length direction according to the forming rolls structure of roll forming section, the steel plate by roll forming section is passing through into
Shape portion be rolled into it is spiral helicine simultaneously, rolled marginal portion and lock seam form plane fold during being attached
The step of successively carry out following steps: by multi-step formed protrusion the step of, in addition to plane fold formed part other than
Rest part, first its width gradually constriction to defined width size, while height become higher gradually；By multistep
Suddenly the step of forming recess portion deviously, while flatly pressing the protrusion, remaining part is pushed to its two sides, while
Its two side portions has angle, so that its width does not vary widely, height becomes lower gradually.
But have a problem in that, the manufacturing method of the plane fold shape steel pipe is only for pure galvanized steel
Plate is effectively, in the case where protecting the film (film) on surface to be coated, due to during by roll forming section
The difference of the linear velocity of higher roll and lower roll causes to generate inverse friction on the surface of galvanized steel plain sheet.
In addition, have a problem in that, due to described, it is formed in the zinc coat and film coating quilt on the surface of galvanized steel plain sheet
Damage.
In addition, have again another problem is that, due to roll forming section higher roll and lower roll diameter become
Greatly, weight can be heavier, and thus in the production of top and the bottom roll and during checking and replace, operating personnel, which exists, occurs accident
Danger, and need a large amount of time and expense.
[advanced technical literature]
[patent document]
(patent document 1) registers patent gazette the 10-0780862nd (2007.11.23)
Summary of the invention
The present invention by box bearing make forming section top and the bottom rotation speed or rotation amount be all consistent, by
This prevents from generating inverse friction on the surface of coated steel sheet, and coating can be prevented to be damaged since linear velocity is consistent
Wound, meanwhile, the left and right sides of each roll of forming section is separated, so as to manufacture easy to accomplish and inspection and replacement.
For the helical rib manufacture of steel pipe for being truncated and being formed after being wound for spiral, spy of the invention
Sign is that the helical rib manufacture of steel pipe includes: coated steel sheet setting steps S100, the coated steel sheet with coating C
S1 is set to uncoiler 100；Rib initial stage forming step S200, the coated steel sheet S1 unclamped from the uncoiler 100 pass through forming
The rib initial stage forming section 230a in portion 200 comes so that the preliminary forming rib RR with certain intervals is alongst gradually to deepen
Form formed；Rib mid-term forming step S300, the coating type between the preliminary forming rib RR and preliminary forming rib RR
Curved plates S2 is by rib mid-term forming section 230b come so that edge gradually becomes smaller；Rib later period forming step S400, it is described
The edge of coating type curved plates S2 and the edge of preliminary forming rib RR pressurize into right angle by rib later period forming section 203c, and
And the coating type rib plain plate S4 with complete rib CR is formed in coating type plain plate S3；Lock seam forming step
S500 is shaped in the two sides of the coating type rib plain plate S4 along by the lower lock seam of lock seam forming section 240
Roll 241-2 and higher lock seam forming rolls 242-2 are pressurizeed and are formed lock seam L；Tubulation step S600, shape
Helical rib steel pipe RP is formed as by tubulation portion 300 at the coating type rib plain plate S4 for having the lock seam L；And steel pipe
Step S700 is truncated, the helical rib steel pipe RP for being made into pipe is truncated by cut through 400.
In addition, being characterized in that, the preliminary forming rib RR and rib mid-term forming step of the rib initial stage forming step S200
The complete rib CR of S300 and rib later period forming step S400 has box bearing 232-4 by variable pressurization roll portion 232
Higher pressurization idle roll 232-3 come so that it is higher pressurization stationary roll 232-2 and support stationary roll portion 231 lower branch
The linear velocity of support recess portion roll 231-3 is consistent.
In addition, the helical rib steel pipe manufacturing device A includes: uncoiler for helical rib steel pipe manufacturing device A
100, it is wound with the cated coated steel sheet S1 of tool；Forming section 200, with the coated steel sheet unclamped from the uncoiler 100
S1 is formed with rib R and the form of lock seam L is pressed；Cut through 400, is set as, and is formed with the rib R and spinning
The coating type rib plain plate S4 of seam L is wound up as spiral by tubulation portion 300, so that helical rib steel pipe RP is formed, and
And the helical rib steel pipe RP is truncated, it is a feature of the present invention that the forming section 200 is set as, driven having
The top of the support frame 220 in dynamic portion 210 is arranged with the rib forming section 230 for being formed with rib R from front direction rear and is formed with crimping
The lock seam forming section 240 of seam line L, support stationary roll portion 231 are set as, in support fixing axle 231-1 along axis direction
It is fixed with lower (lower) support convex roll 231-2 and lower support recess portion roll 231-3 in the form arranged repeatedly, it can
Become pressurization roll portion 232 and the form that variable pressuring shaft 232-1 is arranged repeatedly along axis direction is provided with higher pressurization fixation
Roll 232-2 and higher pressurization idle roll 232-3, the higher pressurization stationary roll 232-2 are fixed on variable pressuring shaft
232-1, and the higher pressurization idle roll 232-3 by way of box bearing 232-4 can be rotated to be set to
Variable pressuring shaft 232-1, the lower support convex roll 231-2 and higher pressurization stationary roll 232-2 are set as left and right two
Side is separated.
In addition, in the higher pressurization idle roll 232-3, form of the foreign steamer of box bearing 232-4 to be interference fitted
It is incorporated into the inner edge main body 232-3a portion roller (roller) that short bank slot 232-3b is formed with to side, and the box bearing
The lubrication groove of 232-4 is incorporated into variable pressuring shaft 232-1 in the form being interference fitted, and the foreign steamer of the box bearing 232-4 passes through
Locating snap ring 232-3d is fixed, the annular groove 232-3c of the locating snap ring 232-3d and other sides for being formed in short bank slot 232-3b
In conjunction with the roller main body 232-3a is formed to have the rib forming pressure rings of the narrow width W' of the width W than roller main body 232-3a
Portion 232-3e protrudes from outside along portion, at higher pressurization stationary roll 232-2 points of the two sides positioned at the roller main body 232-3a
It is not formed with roller main body insertion groove 232-3f.
In addition, be characterized in that, the rib forming section 230 include rib initial stage forming section 230a and rib mid-term forming section 230b and
Rib later period forming section 230c, and the lock seam forming section 240 is set on the top in lock seam support stationary roll portion 241
It is equipped with the variable roll portion 242 of lock seam pressurization, the lock seam support stationary roll portion 241 is supported in lock seam to be fixed
The both side ends of axis 241-1 are provided with lower lock seam forming rolls 241-2, and the lock seam, which pressurizes, can be changed roll portion
242 are provided with higher lock seam forming rolls 242-2 in the both side ends of lock seam flexible shaft 242-1.
The present invention has the effect that, passes through the mistake of forming section in the cated coated steel sheet of tool for being wound in uncoiler
Cheng Zhong, by the rib initial stage forming section with box bearing with rib mid-term forming section and rib later period forming section come so that each set
The rotation speed or rotation amount for being equipped with the roll of forming section are consistent.
In addition, this makes it possible to obtain effect be so that linear velocity is consistent, thus prevent the table in coated steel sheet
Face generates inverse friction.
In addition, thus have the effect that, prevent the coating on the surface for being set to coated steel sheet due to inverse friction and by
Damage, and good product can be obtained.
Meanwhile available effect is, each rib initial stage forming section and rib mid-term forming section and rib later period forming section
The left and right sides of roll is separated, and weight is reduced as a result, and can manufacture easy to accomplish and inspection and replacement.
In addition, this makes it possible to obtain the effects of operating personnel and time and expense required for can reducing inspection and replacing, together
When, the effect that can further improve production rate can be obtained.
Detailed description of the invention
Fig. 1 is the diagrammatic illustration for showing helical rib steel pipe manufacturing device according to the present invention.
Fig. 2 be show the forming section in helical rib steel pipe manufacturing device according to the present invention rib mid-term forming section it is vertical
Body figure.
Fig. 3 is to be shown in the rib of the forming section in helical rib steel pipe manufacturing device according to the present invention in a separate form
It can be changed the perspective view in pressurization roll portion in phase forming section.
Fig. 4 is shown in the rib of the forming section in helical rib steel pipe manufacturing device according to the present invention with cut-out
It can be changed the perspective view in pressurization inside and outside portion of roll portion in phase forming section.
Fig. 5 is to be shown in the rib of the forming section in helical rib steel pipe manufacturing device according to the present invention in a separate form
The perspective view in stationary roll portion is supported in phase forming section.
Fig. 6 is shown in the rib of the forming section in helical rib steel pipe manufacturing device according to the present invention with cut-out
The perspective view in stationary roll portion is supported in phase forming section.
Fig. 7 is the precedence diagram for showing helical rib manufacture of steel pipe according to the present invention.
Fig. 8 a to 8n is the diagrammatic illustration for showing helical rib manufacture of steel pipe according to the present invention in order.
Fig. 9 is to be put by helical rib steel pipe manufacturing device according to the present invention come the recess portion of the helical rib steel pipe manufactured
Big longitdinal cross-section diagram.
Specific embodiment
The embodiment of the present invention is carried out referring to attached drawing as described below.
Fig. 1 is the diagrammatic illustration for showing helical rib steel pipe manufacturing device according to the present invention, and Fig. 2 is to show according to the present invention
Helical rib steel pipe manufacturing device in forming section rib mid-term forming section perspective view, Fig. 3 is to show in a separate form
It can be changed the vertical of pressurization roll portion in the rib mid-term forming section of forming section in helical rib steel pipe manufacturing device according to the present invention
Body figure, Fig. 4 are the rib mid-terms that the forming section in helical rib steel pipe manufacturing device according to the present invention is shown with cut-out
It can be changed the perspective view in pressurization inside and outside portion of roll portion in forming section, Fig. 5 is to show spiral shape according to the present invention in a separate form
The perspective view in stationary roll portion is supported in the rib mid-term forming section of forming section in rib steel pipe manufacturing apparatus, Fig. 6 is with incision
Form shows support fixation in the rib mid-term forming section of the forming section in helical rib steel pipe manufacturing device according to the present invention and rolls
The perspective view of roller portion.
As shown in Figures 1 to 6, it before being illustrated to helical rib manufacture of steel pipe according to the present invention, is used for
Manufacture the device of the manufacturing device A of the helical rib steel pipe as manufacture helical rib steel pipe comprising uncoiler 100, at
Shape portion 200, tubulation portion 300 and cut through 400 have cated coated steel sheet S1 in the form wound and are set to the uncoiling
Machine 100, the coated steel sheet S1 unclamped from the uncoiler 100 are set as being formed during being pressed by forming section 200
Rib R and lock seam L.
The coating type rib plain plate S4 for being formed with the rib R and lock seam L is set as, and is wound up as by tubulation portion 300
Helical rib steel pipe RP is consequently formed in spiral, and by the cut through 400 come so that helical rib steel pipe RP is cut
Break as with certain length.
In this process, the forming section 200 is set as, in the Coated Steels for being formed with the coating C with specific thickness
Plate S1 prevents from generating inverse friction on the surface being made of galvanized steel plain sheet during being shaped by roll, to prevent coating C from being broken
Damage or damage, and then good product can be obtained.
For this purpose, the forming section 200 is set as, it can be after front direction on the top of the support frame 220 with driving portion 210
Side drives rib forming section 230 and lock seam forming section 240 by driving portion 210 simultaneously.
The rib forming section 230 is used for the form shape that do not damage in the coated steel sheet S1 with plate morphology with coating C
The rib R of quadrangularly state, and be set as, after being disposed with rib initial stage forming section 230a and rib mid-term forming section 230b and rib
Phase forming section 230c, and can successively be pressurizeed.
The rib initial stage forming section 230a and rib mid-term forming section 230b and rib later period forming section 230c are set as, and are used respectively
Chain (chain) etc. is connected to the driving portion 210 of lower part, and the support stationary roll portion 231 being driven directly and top can
Face can be faced each other by becoming pressurization roll portion 232.
The support stationary roll portion 231 be configured to bearing (bearing) etc. come by way of being rotated
It is set in the state of support frame 220, can not be to the lower part or mobile from lower to upper part from top, and in support fixing axle
231-1 is axially fixed with lower (lower) support convex roll 231-2 and lower (lower) in the form arranged repeatedly
Support recess portion roll 231-3.
It the variable pressurization roll portion 232 can be with lower support convex roll 231-2 and lower support recess portion with lower part
The form that roll 231-3 faces each other face is arranged in the support fixing axle 231-1 for being set to support frame 220 along axis direction repeatedly
Straight top, and be set as with the parallel variable pressuring shaft 232-1 of the support fixing axle 231-1 along axis direction repeatedly
Higher (Upper) pressurization stationary roll 232-2 and higher (Upper) pressurization idle roll 232-3 are arranged, and is set as in quilt
During driving, linear velocity can be consistent.
For the linear velocity, although the lower support recess portion roll 231-3 in aftermentioned support stationary roll portion 231
The relatively low support convex roll 231-2 of diameter diameter hour, support fixing axle 231-1 circumference is generated during being rotated
During the difference of speed, generate inverse friction, still, at this point, by with lower support recess portion roll 231-3 is aspectant can
Become the higher pressurization idle roll 232-3 in pressurization roll portion 232, to make up the difference of peripheral speed.Stated differently, since linear speed
Degree is consistent, therefore prevents from generating inverse friction on the surface by the coated steel sheet S1 between it, and this prevents coating C
It is damaged or damaged.
For this purpose, the higher pressurization stationary roll 232-2 is fixed on variable pressuring shaft 232-1, the higher pressurization idle running
Roll 232-3 by way of box bearing 232-4 can be rotated to be set to variable pressuring shaft 232-1.
For the lower support convex roll 231-2 and higher pressurization stationary roll 232-2, the left and right sides is divided
From, due to reducing volume and weight significantly, during being manufactured with being taken care of and being checked with replacement, operating personnel
It can be easy to be operated.At this point, the foreign steamer of box bearing 232-4 is in the higher pressurization idle roll 232-3 to be interference fitted
Form be incorporated into the inner edge main body 232-3a portion roller (roller) that short bank slot 232-3b is formed with to side, and the sky
Shaft holds the lubrication groove of 232-4 and is incorporated into variable pressuring shaft 232-1 in the form being interference fitted.
The foreign steamer of the box bearing 232-4 is fixed by locating snap ring 232-3d, to be set as to prevent in sky
Shaft hold 232-4 it is driven during moved, the locating snap ring 232-3d and other sides for being formed in short bank slot 232-3b
Annular groove 232-3c combine.
The roller main body 232-3a is formed to have the rib forming pressurization of the narrow width W' of the width W than roller main body 232-3a
Ring portion 232-3e protrudes from the external higher pressurization stationary roll 232-2 along portion, in the two sides positioned at the roller main body 232-3a
It is respectively formed with roller main body insertion groove 232-3f.
As shown in figure 9, the lock seam forming section 240 is formed with lock seam L in the two sides of coating type plain plate S4,
During by tubulation portion 30 to roll, so that face is faced each other, on the top in lock seam support stationary roll portion 241
It is provided with the variable roll portion 242 of lock seam pressurization.
Here, both side ends of the lock seam support stationary roll portion 241 in lock seam support fixing axle 241-1
It is provided with lower lock seam forming rolls 241-2, the lock seam pressurizes variable roll portion 242 in lock seam flexible shaft
The both side ends of 242-1 are provided with higher lock seam forming rolls 242-2.
Fig. 7 is the precedence diagram for showing helical rib manufacture of steel pipe according to the present invention, and Fig. 8 a to 8n is to show in order
The diagrammatic illustration of helical rib manufacture of steel pipe according to the present invention out.
As shown in Fig. 7 and Fig. 8 a to 8n, for helical rib steel pipe A as described above, firstly, being set as coated steel sheet
Step S100 is set, after the coated steel sheet S1 coated with the coating C with specific thickness is set to uncoiler 100, from described
Uncoiler 100 unclamps coated steel sheet S1 with certain speed, and is supplied in forming section 200.
Next, the coated steel sheet S1 being released passes through the rib initial stage forming section of forming section 200 as shown in Fig. 8 a to 8e
230a comes so that the preliminary forming rib RR with certain intervals forms (rib initial stage shape in the form alongst gradually deepened
At step S200).
Next, as rib mid-term forming step S300, being formed with the painting of preliminary forming rib RR as shown in Fig. 8 f to Fig. 8 h
The coating type curved plates as the part between preliminary forming rib RR and preliminary forming rib RR of stratotype curved plates S2
S2 by rib mid-term forming section 230b come after so that edge gradually becomes smaller, as illustrated in fig. 8i, coating type curved plates S2
Edge and the edge of preliminary forming rib RR right angle is pressurizeed by rib later period forming section 203c, and in coating type plain plate
S3 is formed with the coating type rib plain plate S4 (rib later period forming step S400) with complete rib CR.At this point, the rib initial stage
Complete rib in the preliminary forming rib RR and rib mid-term forming step S300 and rib later period forming step S400 of forming step S200
CR is by the higher pressurization idle roll 232-3 with box bearing 232-4 in variable pressurization roll portion 232 come so that higher add
Pressing fixed roller 232-2 and the linear velocity of the lower support recess portion roll 231-3 in support stationary roll portion 231 are consistent, from
And the coating C on the surface coated on coated steel sheet S1 can be prevented to be damaged due to inverse friction.
Next, as shown in Fig. 8 j to Fig. 8 n, as lock seam forming step S500, coating type rib plain plate S4's
It is rolled along the lower lock seam forming rolls 241-2 by lock seam forming section 240 with the forming of higher lock seam two sides
Roller 242-2 is pressurizeed, to be formed after lock seam L, as shown in Fig. 1 and Fig. 7, is formed with the coating of lock seam L
Type rib plain plate S4 is formed as helical rib steel pipe RP (tubulation step S600) by tubulation portion 300.
Next, as shown in figure 9, by being truncated by cut through 400 by the helical rib steel pipe RP of tubulation
Step S700 is truncated to manufacture the helical rib steel pipe RP with rib R Yu lock seam L in steel pipe.
Label declaration
C: coating CR: rib
L: lock seam RP: helical rib steel pipe
RR: preliminary forming rib S1: coated steel sheet
S2: coating type curved plates S3: coating type plain plate
S4: coating type rib plain plate S100: coated steel sheet setting steps
S200: rib initial stage forming step S300: rib mid-term forming step
S400: rib later period forming step S500: lock seam forming step
S600: tubulation step S700: step is truncated in steel pipe
100: uncoiler 200: forming section
200: forming section 210: driving portion
220: support frame 230: rib forming section
230a: rib initial stage forming section 230b: rib mid-term forming section
203c: rib later period forming section 231: support stationary roll portion
231-1: support fixing axle 231-2: lower support convex roll
231-3: lower support recess portion roll 232: variable pressurization roll portion
232-1: variable pressuring shaft 232-2: higher pressurization stationary roll
232-3: higher pressurization idle roll 232-4: box bearing
240: lock seam forming section 241-1: lower lock seam forming rolls
242-2: higher lock seam forming rolls 300: tubulation portion
400: cut through
Claims (5)
1. a kind of helical rib manufacture of steel pipe is the spiral shape rib steel for being truncated and being formed after being wound for spiral
Pipe manufacturing method, which is characterized in that the helical rib manufacture of steel pipe includes:
Coated steel sheet setting steps (S100), so that the coated steel sheet (S1) with coating (C) is set to uncoiler (100)；
Rib initial stage forming step (S200), the coated steel sheet (S1) unclamped from the uncoiler (100) pass through forming section (200)
Rib initial stage forming section (230a) comes so that the preliminary forming rib (RR) with certain intervals is with what is alongst gradually deepened
Form is formed；
Rib mid-term forming step (S300), the coating type between the preliminary forming rib (RR) and preliminary forming rib (RR) are curved
Bent steel plate (S2) is by rib mid-term forming section (230b) come so that edge gradually becomes smaller；
Rib later period forming step (S400), the edge of the coating type curved plates (S2) and the edge of preliminary forming rib (RR) are logical
Rib later period forming section (203c) is crossed to pressurize into right angle, and be formed with complete rib (CR) in coating type plain plate (S3)
Coating type rib plain plate (S4)；
Lock seam forming step (S500) is shaped in the two sides of the coating type rib plain plate (S4) along by lock seam
The lower lock seam forming rolls (241-2) in portion (240) obtains pressurizeing simultaneously with higher lock seam forming rolls (242-2)
It is formed lock seam (L)；
Tubulation step (S600), the coating type rib plain plate (S4) for being formed with the lock seam (L) pass through tubulation portion (300) shape
As helical rib steel pipe (RP)；And
Step (S700) is truncated in steel pipe, so that the helical rib steel pipe (RP) for being made into pipe is cut by cut through (400)
It is disconnected.
2. helical rib manufacture of steel pipe according to claim 1, which is characterized in that
The preliminary forming rib (RR) and rib mid-term forming step (S300) and rib later period shape of the rib initial stage forming step (S200)
Pass through the higher with box bearing (232-4) of variable pressurization roll portion (232) at the complete rib (CR) of step (S400)
Pressurization idle roll (232-3) carrys out the lower branch so that higher pressurization stationary roll (232-2) and support stationary roll portion (231)
The linear velocity of support recess portion roll (231-3) is consistent.
3. a kind of helical rib steel pipe manufacturing device is helical rib steel pipe manufacturing device (A), the helical rib steel pipe system
Making device (A) includes: uncoiler (100), is wound with the cated coated steel sheet (S1) of tool；Forming section (200), with from institute
The coated steel sheet (S1) for stating uncoiler (100) release is formed with rib (R) and the form of lock seam (L) is pressed；Cut through
(400), it is set as, the coating type rib plain plate (S4) for being formed with the rib (R) and lock seam (L) passes through tubulation portion
(300) it is wound up as spiral, to form helical rib steel pipe (RP), and makes helical rib steel pipe (RP) quilt
It being truncated, the helical rib steel pipe manufacturing device is characterized in that,
The forming section (200) is set as, and arranges on the top of the support frame (220) with driving portion (210) from front direction rear
The lock seam forming section (240) shown the rib forming section (230) for being formed with rib (R) and be formed with lock seam (L), support are solid
Fixed roller portion (231) is set as, and is fixed with lower branch in the form that support fixing axle (231-1) arranges repeatedly along axis direction
Protrusion roll (231-2) and lower support recess portion roll (231-3) are supportted, can be changed pressurization roll portion (232) in variable pressuring shaft
The form that (232-1) is arranged repeatedly along axis direction is provided with higher pressurization stationary roll (232-2) and higher pressurization is dallied
Roll (232-3), the higher pressurization stationary roll (232-2) are fixed on variable pressuring shaft (232-1), and it is described it is higher plus
Press idle roll (232-3) to be set to variable pressuring shaft (232- by way of box bearing (232-4) can be rotated
1), the lower support convex roll (231-2) and higher pressurization stationary roll (232-2) are set as the left and right sides and are separated.
4. helical rib steel pipe manufacturing device according to claim 3, which is characterized in that
In the higher pressurization idle roll (232-3), the foreign steamer of box bearing (232-4) is incorporated into the form being interference fitted
It is formed with inner edge portion roller main body (232-3a) of short bank slot (232-3b) to side, and the box bearing (232-4)
Lubrication groove is incorporated into variable pressuring shaft (232-1) in the form being interference fitted, and the foreign steamer of the box bearing (232-4) passes through stop
Ring (232-3d) is fixed, the annular groove of the locating snap ring (232-3d) and other sides for being formed in short bank slot (232-3b)
(232-3c) is combined, and the roller main body (232-3a) is formed to have the narrow width of the width (W) than roller main body (232-3a)
(W') rib forming pressurization ring portion (232-3e) protrude from it is external along portion, the two sides positioned at the roller main body (232-3a) compared with
Height pressurization stationary roll (232-2) is respectively formed with roller main body insertion groove (232-3f).
5. helical rib steel pipe manufacturing device according to claim 3, which is characterized in that
The rib forming section (230) includes rib initial stage forming section (230a) and rib mid-term forming section (230b) and rib later period forming section
(230c), and the lock seam forming section (240) is provided with volume on the top of lock seam support stationary roll portion (241)
Side seam is pressurizeed variable roll portion (242), and lock seam support stationary roll portion (241) supports fixing axle in lock seam
The both side ends of (241-1) are provided with lower lock seam forming rolls (241-2), and the lock seam, which pressurizes, can be changed roll portion
(242) both side ends of lock seam flexible shaft (242-1) are provided with higher lock seam forming rolls (242-2).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2015-0166294 | 2015-11-26 | ||
| KR1020150166294A KR101654359B1 (en) | 2015-11-26 | 2015-11-26 | Spiral rib steel pipe manufacturing method and apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106938284A CN106938284A (en) | 2017-07-11 |
| CN106938284B true CN106938284B (en) | 2018-12-04 |
Family
ID=56949910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611014824.XA Active CN106938284B (en) | 2015-11-26 | 2016-11-18 | Helical rib manufacture of steel pipe and device |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR101654359B1 (en) |
| CN (1) | CN106938284B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101722693B1 (en) * | 2016-07-29 | 2017-04-06 | 주식회사 픽슨 | Manufacturing apparatus of small caliber ribbed pipe |
| KR101722707B1 (en) * | 2016-08-10 | 2017-04-04 | 주식회사 픽슨 | Manufacturing apparatus of ribbed pipe |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07205B2 (en) * | 1988-03-25 | 1995-01-11 | 住友金属工業株式会社 | Method for manufacturing tube with spiral rib |
| JP2938900B2 (en) * | 1989-10-04 | 1999-08-25 | 日本プラスチック工業株式会社 | Manufacturing method of synthetic resin tube |
| CN1393298A (en) * | 2001-06-25 | 2003-01-29 | 欣业企业股份有限公司 | Technology and apparatus for making helix tube formed integrally |
| CN2709046Y (en) * | 2003-12-15 | 2005-07-13 | 蒯一希 | Manufacturing device of winding type compound wall structure tube |
| KR100780862B1 (en) | 2006-12-11 | 2007-11-30 | 김지헌 | The manufacturing method of flat steel pipe forming apparatus |
| CN201032004Y (en) * | 2007-01-04 | 2008-03-05 | 陈鸣 | Helical corrugation steel pipe with corrosion protection coating |
| KR100826235B1 (en) * | 2007-05-17 | 2008-04-30 | 주식회사 픽슨 | A corrugated steel pipe and method for manufacturing of it |
| KR100935531B1 (en) * | 2009-11-03 | 2010-01-06 | 티오켐 주식회사 | Steel ribbed pipe and manufacturing method thereof |
| KR101040483B1 (en) * | 2011-04-20 | 2011-06-09 | 주식회사 보국산업 | Water-storage steel pipes coated corrosion resistance resin and multi purpose water system used thereby |
-
2015
- 2015-11-26 KR KR1020150166294A patent/KR101654359B1/en active IP Right Grant
-
2016
- 2016-11-18 CN CN201611014824.XA patent/CN106938284B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| KR101654359B1 (en) | 2016-09-07 |
| CN106938284A (en) | 2017-07-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106938284B (en) | Helical rib manufacture of steel pipe and device | |
| CN101579707B (en) | Method and apparatus for leveling metal strip | |
| KR100780862B1 (en) | The manufacturing method of flat steel pipe forming apparatus | |
| CN102821888B (en) | Tank manufactures | |
| CN101649790B (en) | Processing method of steel piston gas ring | |
| EP0259479A1 (en) | Cold roll-formed structures and method and apparatus for producing same. | |
| PL1918406T3 (en) | Process for manufacturing steel flat products from boron microalloyed multi phase steel | |
| US20160236255A1 (en) | Method of producing shaped steel changing in cross-sectional shape in longitudinal direction and roll forming apparatus for same | |
| EP3760327A1 (en) | Embossed pipe manufacturing apparatus for easily welding both sides of embossed metal sheet and embossed pipe manufacturing method using same | |
| PL1918402T3 (en) | Process for manufacturing steel flat products from a steel forming a complex phase structure | |
| EP2956253B1 (en) | Multi-stage tube hydroforming process | |
| CN102649210A (en) | Manufacturing method additionally provided with spinning working procedure for light-weight wheel rim | |
| WO2008130055A1 (en) | Method of hydroforming work | |
| EP3205415B1 (en) | Method for producing metal plate with protruding ridge | |
| CN103732333A (en) | Post-forming method and apparatus | |
| KR20130062294A (en) | Method and device for producing sealing rings | |
| US7251890B2 (en) | Method for producing wheel pans | |
| CA2553344A1 (en) | Rockbolts made of high-strength steel pipes and method of manufacturing thereof | |
| KR101712578B1 (en) | Strong corrosion-resistant spiral rib steel pipe the manufacture method | |
| JP2003321748A (en) | High tensile strength welded steel tube having excellent workability and fatigue property, production method thereof and steel strip for welded steel tube stock | |
| JPH11503490A (en) | Method for producing steel sheet or steel strip for forming a can and steel sheet or steel strip obtained by the method | |
| KR101700350B1 (en) | Strong corrosion-resistant spiral rib steel pipe a manufacture method | |
| MX2013000266A (en) | Mandrel mill and method for manufacturing seamless pipe. | |
| US20140042209A1 (en) | Method for manufacturing a spiral groove metal pipe with a symmetrical structure | |
| RU2528927C1 (en) | Method to fabricate unequal tees from tubular billet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |